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Kenwood PS series DC power supply - maximum voltage issue

Hi, I bought a used Kenwood PS36-10 power supply (PS series). Specs: 0-36VDC, 0-10A. Additional info: For some odd reason, the model label is PS36-10Y2. The "Y2" has been added to label on the unit...it's even a different font. Problem: I cannot go beyond 20VDC. The Over Voltage Protection can be adjusted, but not beyond 23V (115%). What I have done so far: I do have the manual that even describes the DIP switch settings, but I cannot find any answers there on this issue. I have written to Texio/Kenwood...hopefully they give me something useful. I did open the unit, and it has a number of screw-adjustable resistors, but I did not touch any of them. Question: Any ideas from anyone with a similar unit (PS series)? Anyone with the schematics or the Service Manual? Thanks. --eric

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Brad Brown

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First thing to do is check the unit with an external meter to see if the internal ones are accurate.

Posted on Mar 17, 2017

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